package com.attilax.qrcode;

import java.util.Arrays;
import java.util.Collection;
import java.util.EnumSet;
import java.util.List;
import java.util.regex.Pattern;

//import android.content.Intent;
//import android.net.Uri;
import com.google.zxing.BarcodeFormat;

final class DecodeFormatManager {
	
	public static void main(String[] args) {
		
	}

  private static final Pattern COMMA_PATTERN = Pattern.compile(",");

  static final Collection<BarcodeFormat> PRODUCT_FORMATS;
  static final Collection<BarcodeFormat> ONE_D_FORMATS;
  static final Collection<BarcodeFormat> QR_CODE_FORMATS = EnumSet.of(BarcodeFormat.QR_CODE);
  static final Collection<BarcodeFormat> DATA_MATRIX_FORMATS = EnumSet.of(BarcodeFormat.DATA_MATRIX);
  static {
    PRODUCT_FORMATS = EnumSet.of(BarcodeFormat.UPC_A,
                                 BarcodeFormat.UPC_E,
                                 BarcodeFormat.EAN_13,
                                 BarcodeFormat.EAN_8,
                                 BarcodeFormat.RSS_14,
                                 BarcodeFormat.RSS_EXPANDED);
    ONE_D_FORMATS = EnumSet.of(BarcodeFormat.CODE_39,
                               BarcodeFormat.CODE_93,
                               BarcodeFormat.CODE_128,
                               BarcodeFormat.ITF,
                               BarcodeFormat.CODABAR);
    ONE_D_FORMATS.addAll(PRODUCT_FORMATS);
  }

  private DecodeFormatManager() {}
//
//  static Collection<BarcodeFormat> parseDecodeFormats(Intent intent) {
//    Iterable<String> scanFormats = null;
//    CharSequence scanFormatsString = intent.getStringExtra(Intents.Scan.FORMATS);
//    if (scanFormatsString != null) {
//      scanFormats = Arrays.asList(COMMA_PATTERN.split(scanFormatsString));
//    }
//    return parseDecodeFormats(scanFormats, intent.getStringExtra(Intents.Scan.MODE));
//  }

//  static Collection<BarcodeFormat> parseDecodeFormats(Uri inputUri) {
//    List<String> formats = inputUri.getQueryParameters(Intents.Scan.FORMATS);
//    if (formats != null && formats.size() == 1 && formats.get(0) != null){
//      formats = Arrays.asList(COMMA_PATTERN.split(formats.get(0)));
//    }
//    return parseDecodeFormats(formats, inputUri.getQueryParameter(Intents.Scan.MODE));
//  }

//  private static Collection<BarcodeFormat> parseDecodeFormats(Iterable<String> scanFormats,
//                                                              String decodeMode) {
//    if (scanFormats != null) {
//      Collection<BarcodeFormat> formats = EnumSet.noneOf(BarcodeFormat.class);
//      try {
//        for (String format : scanFormats) {
//          formats.add(BarcodeFormat.valueOf(format));
//        }
//        return formats;
//      } catch (IllegalArgumentException iae) {
//        // ignore it then
//      }
//    }
//    if (decodeMode != null) {
//      if (Intents.Scan.PRODUCT_MODE.equals(decodeMode)) {
//        return PRODUCT_FORMATS;
//      }
//      if (Intents.Scan.QR_CODE_MODE.equals(decodeMode)) {
//        return QR_CODE_FORMATS;
//      }
//      if (Intents.Scan.DATA_MATRIX_MODE.equals(decodeMode)) {
//        return DATA_MATRIX_FORMATS;
//      }
//      if (Intents.Scan.ONE_D_MODE.equals(decodeMode)) {
//        return ONE_D_FORMATS;
//      }
//    }
//    return null;
//  }

}
